Tree 10-37 m. Leaves in 3-5 rows, generally clustered towards the apex of the twigs, coriaceous, elliptic-oblong to (sub)lanceolate, 9-21 by 2-6 cm, base attenuate, apex acute(-acuminate); Inflorescences behind the leaves, with dense hairs 1-1.5 mm long; Fruits 1-6 per infructescence, ovoid, 3-5 by 2.5-4 cm, glabrous, drying dark brown or somewhat bluish black, not warted;
Asia-Tropical: Borneo present (Brunei present, Sabah present, Sarawak present), Mulu National Park present, Serian and Bintulu District present, Sipitang present
Malesia: Borneo (Sarawak: Serian and Bintulu District, Mulu National Park; Brunei; Sabah: Sipitang).
2 According to Koster & Baas () the leaves are unique in having an iso-bilateral mesophyll. 1 A very characteristic species on account of its thick twigs with bunched leaves, the latter with long petioles in (3—)5 rows, ramiflorous. Horsfieldia wallichii has similar fruits, and almost similar dark brown dots on the lower leaf surface.